Extruder insert



FIG. 1 is a perspective view of an extruder insert showing my new design;

FIG. 2 is a front view of an extruder insert showing my new design;

FIG. 3 is a top view of an extruder insert showing my new design;

FIG. 4 is an end view of an extruder insert showing my new design; and,

FIG. 5 is a back view of an extruder insert showing my new design.

The broken line showing of a surface and circle grouping are included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for an extruder insert, as shown and described. 